Posted by Kerry Grissett on March 17, 2002 at 00:11:48:
In Reply to: Crappie Theories posted by Billy on March 15, 2002 at 15:42:11:
There are probably many reasons why causeways and the bridges on those causeways seem to produce more fish... at times.
The best one I can think of is just what you have suggested. The "funnel" theory. When the fish are on the move, or in transition, the causeways tend to "funnel" them into the only area where they can pass through the causeway, usually at the bridges on them. Auburn University used to do surveys on crappie populations (11 year study that ended last year I was told) and they used nets that would "funnel" the fish into a net box or trap. These nets were often placed at the bridges on causeways for the same reasons, at least that is my opinion. I asked for the reports and raw data to be sent to me whenever I saw these folks on the water collecting or putting out the nets, but never have received anything from them directly. (sigh)
In any case, I think you hit the nail on the head for at least part of the explanation of causeway fish activity.
Good luck and good fishin'
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